stack

US /stæk/
UK /stæk/
"stack" picture
1.

a highly organized pile of objects

:
He placed the books in a neat stack on the table.
There was a stack of dirty dishes in the sink.
2.

a large quantity of something

:
He has a whole stack of money.
There's a stack of work to do before the deadline.
1.

to arrange a number of objects on top of each other

:
Please stack the chairs neatly in the corner.
The librarian began to stack the returned books.